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Research on retention forestry in Northern Europe

Gustafsson, Lena and Hannerz, Mats and Koivula, Matti and Shorohova, Ekaterina and Vanha-Majamaa, Ilkka and Weslien, Jan (2020). Research on retention forestry in Northern Europe. Ecological processes. 9 , 1-13
[Article Review/Survey]

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Abstract

Retention approaches in forest management are today common in several North European countries, integrated into the clearcutting practice as a way to promote biodiversity and maintain ecosystem functions. Individual green trees and retention patches (tree groups) are retained at final harvest, and deadwood is left at site or created. Here, we review research on retention in Sweden, Finland, Norway, the Baltic States, and NW Russia, with special focus on biodiversity. Following the first publication in 1994, about 180 peer-reviewed articles have been published. We present results from a systematic search of the retention literature, separated into the following topics: buffer zones, retention patches, high stumps, other types of deadwood, European aspen Populus tremula, and cost-efficiency. Russian literature is synthesized separately since studies from this region have so far almost exclusively been published in the Russian language. Furthermore, we describe six ongoing large-scale, replicated experiments with varying retention levels, five in Finland and one in Sweden, and summarize their main results. Among main conclusions for practice from the literature and experiments are that retention patches as large as 0.5 ha and 10-m-wide buffers to watercourses are not enough to maintain pre-harvest species composition but survival of forest species is still larger than on conventional clearcuts. Deadwood on clearcuts may present important habitats to saproxylic species, including rare and red-listed ones and a prioritization of tree species per stand is recommended. We identify several important future research directions including switch of focus towards the landscape as well as the species population level. Surveys in parts of European Russia where retention has been unintentionally implemented already for a century would indicate possible future trajectories of biodiversity and their drivers in other regions of Northern Europe. A stronger link to ecological theory would help in study designs and in the formulation of predicted outcomes.

Authors/Creators:Gustafsson, Lena and Hannerz, Mats and Koivula, Matti and Shorohova, Ekaterina and Vanha-Majamaa, Ilkka and Weslien, Jan
Title:Research on retention forestry in Northern Europe
Year of publishing :2020
Volume:9
Page range:1-13
Number of Pages:13
Publisher:Springer
Language:English
Publication Type:Article Review/Survey
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Keywords:Biodiversity, Buffer strips, Conservation, Deadwood, Experiments, Forestry, High stumps, Retention patches, Variable retention
URN:NBN:urn:nbn:se:slu:epsilon-p-104936
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-104936
Additional ID:
Type of IDID
DOI10.1186/s13717-019-0208-2
Web of Science (WoS)000517817900001
ID Code:16803
Faculty:S - Faculty of Forest Sciences
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
Deposited By: SLUpub Connector
Deposited On:31 Mar 2020 11:19
Metadata Last Modified:31 Mar 2020 11:19

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